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佐渡鉱山金銀採製全図(上下2巻)
Mines in Paintings and Illustrated Scrolls Collection Image Database
先大津阿川村山砂鉄洗取之図
Mines in Paintings and Illustrated Scrolls Collection Image Database
奥州盛岡金山舗内稼方並金製法図
Mines in Paintings and Illustrated Scrolls Collection Image Database
陸中国閉伊郡金沢村金山図巻
Mines in Paintings and Illustrated Scrolls Collection Image Database
鉱山図巻
Mines in Paintings and Illustrated Scrolls Collection Image Database
佐州相川惣銀山敷岡振矩平絵図(坑内平面図)
Mines in Paintings and Illustrated Scrolls Collection Image Database
佐州相川惣銀山敷岡振矩平絵図(坑外図)
Mines in Paintings and Illustrated Scrolls Collection Image Database
佐州相川惣銀山敷岡高下振矩絵図
Mines in Paintings and Illustrated Scrolls Collection Image Database
佐渡鉱山旧坑之図 水道敷絵図を岡山に引当て候絵図
Mines in Paintings and Illustrated Scrolls Collection Image Database
Proposed First Class Battle ship.
Yuzuru Hiraga Digital Archive
Proposed First Class Cruiser.
Yuzuru Hiraga Digital Archive
五十口径14cm連装高角砲Scale1/16
Yuzuru Hiraga Digital Archive
〔メモ(50口径砲寸法図)〕
Yuzuru Hiraga Digital Archive
黙雷発射雷道(八年式魚雷) 極秘
Yuzuru Hiraga Digital Archive
発射試験成績表 雷道曲線図 極秘
Yuzuru Hiraga Digital Archive
〔整理封筒:このID(4桁数字)の資料を一括して入れていたもの〕
Yuzuru Hiraga Digital Archive
技術会議第四分科会綴
Yuzuru Hiraga Digital Archive
〔整理封筒:このID(4桁数字)の資料を一括して入れていたもの〕
Yuzuru Hiraga Digital Archive
「参号戦艦材料注文重量明細表」
Yuzuru Hiraga Digital Archive
〔平賀造船部員から小山造船部長宛〕「新戦艦鋼材準備ノ件」
Yuzuru Hiraga Digital Archive